MySQL: Fix getting foreign keys

This commit is contained in:
Jakub Vrana 2019-07-18 08:50:14 +02:00
parent b7b4157bcb
commit d5bf51b2a7

View file

@ -583,8 +583,8 @@ if (!defined("DRIVER")) {
*/
function foreign_keys($table) {
$return = array();
foreach (get_rows("SELECT * FROM information_schema.REFERENTIAL_CONSTRAINTS WHERE CONSTRAINT_SCHEMA = " . q(DB) . " AND TABLE_NAME = " . q($table)) as $row) {
$columns = get_key_vals("SELECT COLUMN_NAME, REFERENCED_COLUMN_NAME FROM information_schema.KEY_COLUMN_USAGE WHERE CONSTRAINT_SCHEMA = " . q(DB) . " AND CONSTRAINT_NAME = " . q($row["CONSTRAINT_NAME"]) . " ORDER BY ORDINAL_POSITION");
foreach (get_rows("SELECT * FROM information_schema.REFERENTIAL_CONSTRAINTS WHERE CONSTRAINT_SCHEMA = DATABASE() AND TABLE_NAME = " . q($table)) as $row) {
$columns = get_key_vals("SELECT COLUMN_NAME, REFERENCED_COLUMN_NAME FROM information_schema.KEY_COLUMN_USAGE WHERE CONSTRAINT_SCHEMA = DATABASE() AND CONSTRAINT_NAME = " . q($row["CONSTRAINT_NAME"]) . " ORDER BY ORDINAL_POSITION");
$db = $row["UNIQUE_CONSTRAINT_SCHEMA"];
$return[$row["CONSTRAINT_NAME"]] = array(
"db" => ($db == DB ? "" : $db),